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path: root/drivers/bus/fslmc/mc/dpci.c
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/*-
 * This file is provided under a dual BSD/GPLv2 license. When using or
 * redistributing this file, you may do so under either license.
 *
 *   BSD LICENSE
 *
 * Copyright 2013-2016 Freescale Semiconductor Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the above-listed copyright holders nor the
 * names of any contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 *   GPL LICENSE SUMMARY
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") as published by the Free Software
 * Foundation, either version 2 of that License or (at your option) any
 * later version.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include <fsl_mc_sys.h>
#include <fsl_mc_cmd.h>
#include <fsl_dpci.h>
#include <fsl_dpci_cmd.h>

int dpci_open(struct fsl_mc_io *mc_io,
	      uint32_t cmd_flags,
	      int dpci_id,
	      uint16_t *token)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_OPEN,
					  cmd_flags,
					  0);
	DPCI_CMD_OPEN(cmd, dpci_id);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);

	return 0;
}

int dpci_close(struct fsl_mc_io *mc_io,
	       uint32_t cmd_flags,
	       uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_CLOSE,
					  cmd_flags,
					  token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_create(struct fsl_mc_io *mc_io,
		uint16_t dprc_token,
		uint32_t cmd_flags,
		const struct dpci_cfg *cfg,
		uint32_t *obj_id)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_CREATE,
					  cmd_flags,
					  dprc_token);
	DPCI_CMD_CREATE(cmd, cfg);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	CMD_CREATE_RSP_GET_OBJ_ID_PARAM0(cmd, *obj_id);

	return 0;
}

int dpci_destroy(struct fsl_mc_io *mc_io,
		 uint16_t dprc_token,
		uint32_t cmd_flags,
		uint32_t object_id)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_DESTROY,
					  cmd_flags,
					  dprc_token);
	/* set object id to destroy */
	CMD_DESTROY_SET_OBJ_ID_PARAM0(cmd, object_id);
	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_enable(struct fsl_mc_io *mc_io,
		uint32_t cmd_flags,
		uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_ENABLE,
					  cmd_flags,
					  token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_disable(struct fsl_mc_io *mc_io,
		 uint32_t cmd_flags,
		 uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_DISABLE,
					  cmd_flags,
					  token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_is_enabled(struct fsl_mc_io *mc_io,
		    uint32_t cmd_flags,
		    uint16_t token,
		    int *en)
{
	struct mc_command cmd = { 0 };
	int err;
	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_IS_ENABLED, cmd_flags,
					  token);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPCI_RSP_IS_ENABLED(cmd, *en);

	return 0;
}

int dpci_reset(struct fsl_mc_io *mc_io,
	       uint32_t cmd_flags,
	       uint16_t token)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_RESET,
					  cmd_flags,
					  token);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_get_attributes(struct fsl_mc_io *mc_io,
			uint32_t cmd_flags,
			uint16_t token,
			struct dpci_attr *attr)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_ATTR,
					  cmd_flags,
					  token);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPCI_RSP_GET_ATTRIBUTES(cmd, attr);

	return 0;
}

int dpci_set_rx_queue(struct fsl_mc_io *mc_io,
		      uint32_t cmd_flags,
		      uint16_t token,
		      uint8_t priority,
		      const struct dpci_rx_queue_cfg *cfg)
{
	struct mc_command cmd = { 0 };

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_SET_RX_QUEUE,
					  cmd_flags,
					  token);
	DPCI_CMD_SET_RX_QUEUE(cmd, priority, cfg);

	/* send command to mc*/
	return mc_send_command(mc_io, &cmd);
}

int dpci_get_rx_queue(struct fsl_mc_io *mc_io,
		      uint32_t cmd_flags,
		      uint16_t token,
		      uint8_t priority,
		      struct dpci_rx_queue_attr *attr)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_RX_QUEUE,
					  cmd_flags,
					  token);
	DPCI_CMD_GET_RX_QUEUE(cmd, priority);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPCI_RSP_GET_RX_QUEUE(cmd, attr);

	return 0;
}

int dpci_get_tx_queue(struct fsl_mc_io *mc_io,
		      uint32_t cmd_flags,
		      uint16_t token,
		      uint8_t priority,
		      struct dpci_tx_queue_attr *attr)
{
	struct mc_command cmd = { 0 };
	int err;

	/* prepare command */
	cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_TX_QUEUE,
					  cmd_flags,
					  token);
	DPCI_CMD_GET_TX_QUEUE(cmd, priority);

	/* send command to mc*/
	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	/* retrieve response parameters */
	DPCI_RSP_GET_TX_QUEUE(cmd, attr);

	return 0;
}

int dpci_get_api_version(struct fsl_mc_io *mc_io,
			 uint32_t cmd_flags,
			   uint16_t *major_ver,
			   uint16_t *minor_ver)
{
	struct mc_command cmd = { 0 };
	int err;

	cmd.header = mc_encode_cmd_header(DPCI_CMDID_GET_API_VERSION,
					cmd_flags,
					0);

	err = mc_send_command(mc_io, &cmd);
	if (err)
		return err;

	DPCI_RSP_GET_API_VERSION(cmd, *major_ver, *minor_ver);

	return 0;
}